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首页> 外文期刊>Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics >Optical spectra and excited state relaxation dynamics of Nd~(3+) in CaF_2 single crystal
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Optical spectra and excited state relaxation dynamics of Nd~(3+) in CaF_2 single crystal

机译:CaF_2单晶中Nd〜(3+)的光谱和激发态弛豫动力学

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摘要

Nd-doped CaF_2 crystal with high optical quality was obtained by a temperature gradient technique (TGT). Energies of the crystal field levels of Nd~(3+) multiplets relevant to laser operation were determined based on optical spectra recorded at T= 10 K. Room temperature absorption spectra were analyzed in the framework of the Judd-Ofelt theory to calculate radiative transition rates and luminescence branching ratios for the ~4F_(3/2) level.
机译:通过温度梯度技术(TGT)获得了具有高光学质量的掺钕CaF_2晶体。根据在T = 10 K处记录的光谱,确定与激光操作相关的Nd〜(3+)多重峰的晶体能级。在Judd-Ofelt理论的框架内分析室温吸收光谱,以计算辐射跃迁〜4F_(3/2)水平的发光速率和发光分支比。

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